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Claytonia megarhiza
(Gray) Parry ex S. Wats.
Family:
Montiaceae
Greg Goodwin
Flora of North America
Resources
John M. Miller in Flora of North America (vol. 4)
Plants
perennial, with stout, woody caudices; periderm 5-12 mm.
Stems
5-25 cm.
Leaves:
basal leaves sessile, dilated at base into broad, succulent sheath, blade rhombic to oblanceolate, 2-10 × 0.4-2.8 cm, apex obtuse; cauline leaves sessile, blade oblanceolate, 2-10 × 2-5 mm.
Inflorescences
multibracteate; bracts subtending pedicels, apex obtuse.
Flowers
12-20 mm diam; sepals 6-8 mm; petals white, pink, or rose, 5-20 × 3-8 mm; ovules 6.
Seeds
2-3 mm diam., shiny and smooth; elaiosome 1 mm or less.
2
n
= 12, 16, 24, 32, 34, 36. Flowering May-Aug. Talus, scree, gravelly slopes; 2000-4000 m; Alta., B.C., N.W.T.; Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., Utah, Wash., Wyo.
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